1 files changed, 53 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/lm32/setjmp.S b/libc/sysdeps/linux/lm32/setjmp.S
new file mode 100644
index 000000000..6badd8099
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/setjmp.S
@@ -0,0 +1,53 @@
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+#include <libc-symbols.h>
+
+.text
+.global C_SYMBOL_NAME(setjmp)
+.type C_SYMBOL_NAME(setjmp),@function
+.align 4
+
+C_SYMBOL_NAME(setjmp):
+    mvi     r2, 1       /* save the signal mask */
+    bi      C_SYMBOL_NAME(__sigsetjmp)
+
+.text
+.global C_SYMBOL_NAME(_setjmp)
+.type C_SYMBOL_NAME(_setjmp),@function
+.align 4
+
+C_SYMBOL_NAME(_setjmp):
+    mvi     r2, 0       /* don't save the signal mask */
+    bi      C_SYMBOL_NAME(__sigsetjmp)
+
+.text
+.global C_SYMBOL_NAME(__sigsetjmp)
+.type C_SYMBOL_NAME(__sigsetjmp),@function
+.align 4
+
+C_SYMBOL_NAME(__sigsetjmp):
+    /* save registers relative to r1 (arg0) */
+    sw      (r1+0), r11
+    sw      (r1+4), r12
+    sw      (r1+8), r13
+    sw      (r1+12), r14
+    sw      (r1+16), r15
+    sw      (r1+20), r16
+    sw      (r1+24), r17
+    sw      (r1+28), r18
+    sw      (r1+32), r19
+    sw      (r1+36), r20
+    sw      (r1+40), r21
+    sw      (r1+44), r22
+    sw      (r1+48), r23
+    sw      (r1+52), r24
+    sw      (r1+56), r25
+    sw      (r1+60), gp
+    sw      (r1+64), fp
+    sw      (r1+68), sp
+    sw      (r1+72), ra
+
+    /* make a tail call to __sigjmp_save; it takes the same args */
+    bi      C_SYMBOL_NAME(__sigjmp_save)